Haruna and Shinji are close lovers. Shinji proposes to Haruna on a trekking excursion to commemorate his graduation from university and his new job. The elated couple get lost on their way down the mountain. They manage to get to a mountain lodge where they ask for help and end up staying the night, but the hungry men who visit the lodge one after another cannot leave the beautiful Haruna alone.... The two are kept in the lodge, and spend their days in a never-ending hell...
